Volcanic ash provides nutrients to nearby soil, making the land fertile.

火山灰为附近土壤提供养分，使土地肥沃。

Politics often benefits from scandal, from prominent misbehavior, from a dramatization of the discourse.

另一方面，政治往往要从丑闻，从显眼不当行为与戏剧化语言中汲取养分。

Scientists say nutrient pollution runoff from farms is the main problem.

科学家表示，来自农场养分污染径流是主要问题。

But we have a lot of nutrients in that water, a lot of pesticides.

但是，水中含有太多养分，许多杀虫剂。

In temperate forests, the build-up of leaf litter creates rich stores of nutrients.

在温带森林里，落叶形成腐殖质层可以贮藏养分。

Decomposers are usually bacteria and fungi that break down dead plants and animals into nutrients in the soil that in turn help the plants at the beginning of the food chain to grow.

分解者通常是细菌霉菌，它们会把死去植物或者动物尸体分解，分解后尸体会变成泥土中养分，帮助食物链中者——植物长得更好。

The researchers point out that our increasingly artificial built environments may leave little in the way of natural sustenance for microbes.

研究人员指出，我们日益人工化建筑环境几乎没有为微物留下自然养分。

But, also, feed off of some of that pressure.

但是，也要从这种压力中汲取养分。

It will just stick to every sand and grain that exists throughout that soil and then form this structure that enables the soil to retain water and nutrients just like a sponge.

它会粘附在土壤中每一粒沙子颗粒上，然后形成这种结构，土壤就能够像海绵一样保持水分养分。

Add a large amount of compost into planting holes to provide nutrients to the plants.

在种植穴中加入大量堆肥，为植物提供养分。

During the follicular phase of the menstrual cycle, the endometrium thickens in case fertilization occurs, during the luteal phase, spiral arteries emerge to bring more nutrients to support the thick endometrium.

在月经周期中卵泡期，子宫内膜会变厚，有助于受精；黄体期，螺旋动脉可以为增厚子宫内膜提供更多养分。

And second that these sugars impact a good bacterium even though nutrition is not involved.

其二，这些单糖对有益细菌了影响，尽管其没有为细菌提供养分。”

Large amounts of water can remove nutrients from the soil.

大量水带走了土壤中养分。

Their breaths together feed someone whom we do not know.

他俩呼吸共同为某个我们所不识人提供养分。

The best solution, say researchers, is to halt nutrient runoff and curb greenhouse gases.

研究人员表示，最好解决办法是停止养分流入控制温室气体。

Unable to wash downriver, the nutrients build up while dissolved oxygen in the water decreases.

养分因无法向下游流动而不断累积，同时水中溶解氧量却在不断减少。

Farmers usually take care of the last bit by fertilizing their fields.

农民一般通过给田地施肥来提供养分。

Darwin also believed carnivorous plants evolved because they grew in nutrient poor soil.

达尔文还提出，食肉植物之所以演化出捕食昆虫特性，是因为它们长土壤养分匮乏。

The desert plant needs little rainfall, and provides nutrients and a way to make money.

这种沙漠植物几乎不需要降雨，却能提供养分赚钱途径。

The largest increase in shrub growth correlates with these areas that are more nutrient rich.

灌木丛长加速最快地方与养分更多地区相关。